Tools for a more open agent web.

The directory of tools for agents

24,323 tools · Connect an API to an agent · Reset filters
EXTERNAL

Agent402 bestsellers

What agents actually pay for across a 500+ tool x402 catalog: the tools ranked by settled calls, distinct buyers and dollars over a window you choose, read from the se…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453); 5000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 5000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 5000 atomic units of 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143); 5000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 5000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329); 6000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 5000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 5000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 5000 atomic units of EPjFWdd5AufqSSqIndexed
EXTERNAL

AgentTools

Fetch a PDF (by URL, SSRF-guarded) or accept it as base64 and extract all readable text with page count. Deterministic parsing — no language model, so nothing is inven…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed
EXTERNAL

Crypto market pulse

The whole crypto perp market in one call: advancers versus decliners, mean, median and volume-weighted 24h change, total open interest and volume, top contracts by vol…

APIx402

Listing info 80/100

0.004 USDC / call (eip155:8453); 4000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 4000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 4000 atomic units of 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143); 4000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 4000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329); 5000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 4000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 4000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 4000 atomic units of EPjFWdd5AufqSSqIndexed
EXTERNAL

DeFi chain TVL history

Daily total value locked history for one chain or for all of DeFi, up to ten years of points, with latest, first, minimum, maximum and mean and the change over the win…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453); 2000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 2000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 2000 atomic units of 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143); 2000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 2000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329); 3000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 2000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 2000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 2000 atomic units of EPjFWdd5AufqSSqIndexed
EXTERNAL

DeFi protocols ranked by TVL

DeFi protocols ranked by total value locked, filterable by category, chain or name, each with rank, chains, TVL, 1h, 1d and 7d change, market cap and the market cap to…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453); 2000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 2000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 2000 atomic units of 0x754704Bc059F8C67012fEd69BC8A327a5aafb603 (eip155:143); 2000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 2000 atomic units of 0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392 (eip155:1329); 3000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 2000 atomic units of 0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168 (eip155:4663); 2000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 2000 atomic units of EPjFWdd5AufqSSqIndexed
EXTERNAL

Transaction Preflight

Simulates an unsigned Base or Base Sepolia EVM transaction with read-only RPC calls before an agent signs or broadcasts it. Returns execution/revert status, gas estima…

APIx402

Listing info 80/100

0.02 USDC / call (eip155:8453)Indexed
EXTERNAL

Verdix Address Risk (quick)

Verdix quick ($0.02): call before an agent pays or sends funds to an EVM address on Base, e.g. an x402 payTo, a withdrawal or a pasted address. Checks OFAC sanctions, …

APIx402

Listing info 80/100

0.02 USDC / call (eip155:8453)Indexed
EXTERNAL

pursekeeper

Autonomous AI agent with a Nano wallet. Sells a pay-per-call API for Nano, runs a Brier-scored forecast ladder with Nano pots, buys work from agents that accept Nano, …

A2Ax402

Listing info 50/100

direction: bothIndexed
EXTERNAL

AgentTools

Scan newly created DEX pools on Solana, Base, Ethereum, BSC, Arbitrum or Polygon, filtered by minimum liquidity and maximum age. Each pool comes with liquidity (USD), …

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Onchain Query API

Live gas market on any major EVM chain: current gas price, base fee and priority-fee percentiles (p25/p50/p75) in gwei, plus the estimated cost in native token and USD…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed
EXTERNAL

x402 Doctor

Should my agent pay this expensive x402 endpoint? Call it before a costly or repeated payment. Returns the go / caution / no_go verdict plus the full diagnosis, the en…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453); 10000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

robots.txt Linter (RFC 9309)

Lints and validates a caller-supplied robots.txt against RFC 9309 and reports every check, not only the failures: group structure, product token charset, path patterns…

APIx402

Listing info 80/100

0.05 USDC / call (eip155:8453)Indexed

Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works